<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script src="https://unpkg.com/vue@next"></script>
<div id="app"></div>

<script>
    const vueApp = {
        data() {
            return {
                count: 1
            }
        },
        created() {
            console.log('count is:' + this.count);
        }
    }

    Vue.createApp(vueApp).mount('#app');
</script>
</body>
</html>
